My key was missing , I___ it in the office .
A: should have left
B: could have left
C: must have left
D: need have left
A: should have left
B: could have left
C: must have left
D: need have left
举一反三
- I could find my umbrella nowhere. I ______ it in the taxi. A: should leave B: must have left C: could leave D: should have left
- The light in his office has been turned off. He ___________. A: must have left B: must leave C: should have left D: have left
- The man ( )this way, for here are his footprints. A: should have left,should left,must have left,must left
- Since nobody is answering the phone,they____________. A: should have left B: needn"t have left C: must have left D: can have left
- “____ he have left yesterday?” Yes, he ____<br/>yesterday.” No, he ____ yesterday.” A: Must; must have left; can’t have left B: Can; can have<br/>left; can’t have left C: Can; must have left; can’t have left D: May; must<br/>have left; shouldn’t have left